<?php 
$about = "onelord2002@gmail.com";
$a = uniqid($about); 
echo $a; 
echo "<br>";

 $b = uniqid ($about, true); 
 Echo $b; 
 echo "<br>";

$c = uniqid (rand (),true); 
echo $c; 
echo "<br>";

$md5c = md5($about); 
echo $md5c; 

?> 